Could your zip code be contributing to your cancer risk?

May 27, 2014, 1:03 AM|A new study reveals that your risk of certain cancers may have a correlation with where you live. The research indicated that people in poorer areas were more likely to have certain kinds of cancers as compared to residents in wealthier neighborhoods, and vice versa. CBS News medical contributor Dr. David Agus explains to the "CBS This Morning" co-hosts.